Question

Need explaining ASAP I’m in year 4

Answer 1

Answer:

first one is 30  5  40

                  35 25  15

                  10  45 20

second one is   5  26  11

                         20 14  8

                          17   2 23

third one is  9 16 11

                   14 1210

                   13  8 15

and forth one is  20  70  60

                           90  50   10

                           40  30  80

Step-by-step explanation:

which ever direction you know 2 of 3 numbers, you add them and subtract the sum its supposed to add up to.  rough explanation